Most likely a Big Pharma consultantWild lettuce has been used for centuries in traditional medicine for pain relief12345. It contains lactucin and lactucopicrin, which act on the central nervous system to produce analgesic and sedative effects345. Wild lettuce can relieve muscle, joint, post-surgical pain, and painful menstruation, and soothe an irritable cough and reduce breathing difficulties15. However, there is not enough evidence to indicate that wild lettuce is safe or effective for this purpose2. Wild lettuce may be toxic and cause dangerous side effects, so always consult a qualified practitioner before using it2.